const mongoose = require("mongoose")
mongoose.connect("mongodb+srv://2717007649:OpTrpk1jjGEjMBbv@three.6vrvzj2.mongodb.net/visual?retryWrites=true&w=majority&appName=three")
.then(()=>{
    console.log("启动！");
}).catch((err)=>{
    console.log(err);
})

module.exports = mongoose